-55.25% is the change from 400 to 179
Calculation steps:
[( 179 - 400 ) ÷ 400] x 100 = -55.25%
Formula
Percentage change = [(179 - 400) / 400] x 100
Subtract the new number by the original number
179 - 400 = -221
-221 ÷ 400 = -0.5525
-0.5525 x 100 = -55.25%